Preparation of a microsized cerium chloride-based catalyst and its application in the Michael addition of beta-diketones to vinyl ketonesстатья
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Дата последнего поиска статьи во внешних источниках: 2 ноября 2016 г.
Аннотация:A facile method, which does not require special equipment, was developed for the preparation of microsized cerium chloride by the thermal treatment of CeCl3 center dot 7H(2)O or the evaporation of its alcoholic solutions. The way of the preparation of the cerium chloride-based catalyst plays a decisive role in its catalytic activity. This catalyst is efficient in the Michael addition of beta-diketones to vinyl ketones giving beta,delta-triketones.